refactor[ReactDebugHooks]: support parsing stack frames when sourcemaps are available

.eslintignore

@@ -24,3 +24,5 @@ packages/react-devtools-shared/src/hooks/__tests__/__source__/__untransformed__/
 packages/react-devtools-shell/dist
 packages/react-devtools-timeline/dist
 packages/react-devtools-timeline/static
+
+flow-typed

.prettierignore

@@ -1,5 +1,7 @@
 build
 
+flow-typed
+
 packages/react-devtools-core/dist
 packages/react-devtools-extensions/chrome/build
 packages/react-devtools-extensions/firefox/build

flow-typed/npm/error-stack-parser_v2.x.x.js

@@ -0,0 +1,60 @@
+// flow-typed signature: 132e48034ef4756600e1d98681a166b5
+// flow-typed version: c6154227d1/error-stack-parser_v2.x.x/flow_>=v0.104.x
+
+declare module "error-stack-parser" {
+  declare interface StackFrame {
+    constructor(object: StackFrame): StackFrame;
+
+    isConstructor?: boolean;
+    getIsConstructor(): boolean;
+    setIsConstructor(): void;
+
+    isEval?: boolean;
+    getIsEval(): boolean;
+    setIsEval(): void;
+
+    isNative?: boolean;
+    getIsNative(): boolean;
+    setIsNative(): void;
+
+    isTopLevel?: boolean;
+    getIsTopLevel(): boolean;
+    setIsTopLevel(): void;
+
+    columnNumber?: number;
+    getColumnNumber(): number;
+    setColumnNumber(): void;
+
+    lineNumber?: number;
+    getLineNumber(): number;
+    setLineNumber(): void;
+
+    fileName?: string;
+    getFileName(): string;
+    setFileName(): void;
+
+    functionName?: string;
+    getFunctionName(): string;
+    setFunctionName(): void;
+
+    source?: string;
+    getSource(): string;
+    setSource(): void;
+
+    args?: any[];
+    getArgs(): any[];
+    setArgs(): void;
+
+    evalOrigin?: StackFrame;
+    getEvalOrigin(): StackFrame;
+    setEvalOrigin(): void;
+
+    toString(): string;
+  }
+
+  declare class ErrorStackParser {
+    parse(error: Error): Array<StackFrame>;
+  }
+
+  declare module.exports: ErrorStackParser;
+}